Pub chef Mark Dixie, 45, is currently serving a minimum 34 years for the brutal attack on Miss Bowman, who was raped and stabbed to death in 2005. Dixie was sentenced in 2008.

A Crown Prosecution Service spokesman said: "The CPS has received a file from the police."

Model Sally Anne Bowman Credit:
Jane Mingay/PA

Detectives have asked Dixie about at least six attacks, the Daily Mirror reports.

These are said to include a sexual assault on a woman in Purley, south London, in 2001, according to the Mirror.

Previous convictions for Dixie, who lived in Australia from 1993 to 1999, include being found guilty of indecent exposure and indecent assault in 1988 when he exposed himself to a woman and forced her to the ground.